Are you leaving from cambridge? Is there a time you'd like to leave?
Yes, I'm leaving from Cambridge. Departure time doesn't matter, but I need to arrive by 18:15.
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination